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Question
A coil of circular cross-section having 1000 turns and 4 cm2 face area is placed with its axis parallel to a magnetic field which decreases by 10–2 Wb m–2 in 0.01 s. The e.m.f. induced in the coil is ______.
Options
400 mV
200 mV
4 mV
0.4 mV
MCQ
Fill in the Blanks
Solution
A coil of circular cross-section having 1000 turns and 4 cm2 face area is placed with its axis parallel to a magnetic field which decreases by 10–2 Wb m–2 in 0.01 s. The e.m.f. induced in the coil is 400 mV.
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Torque on Current Loop, Magnetic Dipole - Circular Current Loop as a Magnetic Dipole
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